<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/01.png" alt="" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出登录</el-button>
    </el-header>
    <!-- 下 -->
    <el-container style="height: 90%;">
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse?'64px':'200px'">
        <div class="button" @click="toggle">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409eff"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="path"
        >
				<!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id"> 
						<!-- 一级菜单的模板 -->
            <template slot="title">
							<!-- 图标 -->
              <i :class="iconList[item.id]"></i>
							<!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
						<!-- 二级菜单 -->
              <el-menu-item @click="savenavState('/'+index.path)" :index="'/'+index.path" v-for="index in item.children" :key="index.id">
								<template slot="title">
							<!-- 图标 -->
              	<i class="el-icon-menu"></i>
							<!-- 文本 -->
              	<span>{{index.authName}}</span>
            </template>
							</el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
	data() {
		return {
			menuList: [],
      iconList:{
          '125': 'iconfont icon-users',
          '103': 'iconfont icon-tijikongjian',
          '101': 'iconfont icon-shangpin',
          '102': 'iconfont icon-danju',
          '145': 'iconfont icon-baobiao'
      },
      isCollapse: false,
      path: ''
		}
	},
	created() {
		this.getMenuList()
    this.path = window.sessionStorage.getItem('activePath')
	},
  methods: {
    logout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
		// 获取所有菜单
		async getMenuList() {
			const {data:ret} = await this.$http.get('/menus')
			if(ret.meta.status !== 200) {
				this.$message.error(ret.meta.msg)
				return
			}
			this.menuList = ret.data
		},
    toggle() {
      this.isCollapse=!this.isCollapse
    },
    savenavState(i) {
      window.sessionStorage.setItem('activePath',i)
      this.path = i
    }
  },
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  div {
    display: flex;
    align-items: center;
    span {
      margin: 20px;
    }
    img{
      border-radius: 50%;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.button {
  background-color: #4a5064;
  font-size: 10px;
  color: #fff;
  text-align: center;
  line-height: 24px;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>